HO 1921939-1948Ministry of Home Security: Research and Experiments Department, Registered Papers
These papers deal with observation of and research into allied and enemy bombs, bombing methods and effects, fire prevention and air raid damage both in the United Kingdom and in enemy occupied territories. The papers were registered in RE, RE/B, RE/F, RE/H, RE/O and RE/U series and comprise correspondence and related papers, technical reports and assessments, and surveys of air raid damage to towns and to various categories of domestic buildings, industrial and transport undertakings, and shelters, together with related maps, plans and photographs. The series also contains minutes and papers of the War Damage (Earth Movements) Main Committee and the Air Ministry Incendiary Panel.